VulnerabilityModified
CVE-2016-2850
Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.
HIGH 7.5EPSS 2.12%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Botan 1.11.x before 1.11.29 does not enforce TLS policy for (1) signature algorithms and (2) ECC curves, which allows remote attackers to conduct downgrade attacks via unspecified vectors.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.12% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- fedoraproject/fedora · botan project/botan
- Source
- cve@mitre.org
References
- http://botan.randombit.net/security.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html
- http://marc.info/?l=botan-devel&m=145852488622892&w=2Vendor Advisory
- https://security.gentoo.org/glsa/201701-23
- http://botan.randombit.net/security.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html
- http://marc.info/?l=botan-devel&m=145852488622892&w=2Vendor Advisory
- https://security.gentoo.org/glsa/201701-23
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.